diff options
Diffstat (limited to 'bfd/elf32-i860.c')
| -rw-r--r-- | bfd/elf32-i860.c | 1107 |
1 files changed, 0 insertions, 1107 deletions
diff --git a/bfd/elf32-i860.c b/bfd/elf32-i860.c deleted file mode 100644 index e72b90c29ba..00000000000 --- a/bfd/elf32-i860.c +++ /dev/null @@ -1,1107 +0,0 @@ -/* Intel i860 specific support for 32-bit ELF. - Copyright 1993, 1995, 1999, 2000, 2001 Free Software Foundation, Inc. - - Full i860 support contributed by Jason Eckhardt <jle@cygnus.com>. - -This file is part of BFD, the Binary File Descriptor library. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" -#include "elf-bfd.h" -#include "elf/i860.h" - -/* Prototypes. */ -static reloc_howto_type *lookup_howto - PARAMS ((unsigned int)); - -static reloc_howto_type *elf32_i860_reloc_type_lookup - PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); - -static void elf32_i860_info_to_howto_rela - PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *)); - -static bfd_reloc_status_type elf32_i860_relocate_splitn - PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); - -static bfd_reloc_status_type elf32_i860_relocate_pc16 - PARAMS ((bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); - -static bfd_reloc_status_type elf32_i860_relocate_pc26 - PARAMS ((bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); - -static bfd_reloc_status_type elf32_i860_relocate_highadj - PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); - -static boolean elf32_i860_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); - -static bfd_reloc_status_type i860_final_link_relocate - PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, bfd_vma)); - -static boolean elf32_i860_is_local_label_name - PARAMS ((bfd *, const char *)); - -/* This howto table is preliminary. */ -static reloc_howto_type elf32_i860_howto_table [] = -{ - /* This relocation does nothing. */ - HOWTO (R_860_NONE, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_NONE", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), /* pcrel_offset */ - - /* A 32-bit absolute relocation. */ - HOWTO (R_860_32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_32", /* name */ - false, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_COPY, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_COPY", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_GLOB_DAT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_GLOB_DAT", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_JUMP_SLOT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_JUMP_SLOT", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_RELATIVE, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_RELATIVE", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* A 26-bit PC-relative relocation. */ - HOWTO (R_860_PC26, /* type */ - 2, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_PC26", /* name */ - false, /* partial_inplace */ - 0x3ffffff, /* src_mask */ - 0x3ffffff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_860_PLT26, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_PLT26", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - true), /* pcrel_offset */ - - /* A 16-bit PC-relative relocation. */ - HOWTO (R_860_PC16, /* type */ - 2, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_PC16", /* name */ - false, /* partial_inplace */ - 0x1f07ff, /* src_mask */ - 0x1f07ff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_860_LOW0, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOW0", /* name */ - false, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_SPLIT0, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_SPLIT0", /* name */ - false, /* partial_inplace */ - 0x1f07ff, /* src_mask */ - 0x1f07ff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_LOW1, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOW1", /* name */ - false, /* partial_inplace */ - 0xfffe, /* src_mask */ - 0xfffe, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_SPLIT1, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_SPLIT1", /* name */ - false, /* partial_inplace */ - 0x1f07fe, /* src_mask */ - 0x1f07fe, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_LOW2, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOW2", /* name */ - false, /* partial_inplace */ - 0xfffc, /* src_mask */ - 0xfffc, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_SPLIT2, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_SPLIT2", /* name */ - false, /* partial_inplace */ - 0x1f07fc, /* src_mask */ - 0x1f07fc, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_LOW3, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOW3", /* name */ - false, /* partial_inplace */ - 0xfff8, /* src_mask */ - 0xfff8, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_LOGOT0, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOGOT0", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_860_SPGOT0, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_SPGOT0", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_860_LOGOT1, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOGOT1", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_860_SPGOT1, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_SPGOT1", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_860_LOGOTOFF0, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOGOTOFF0", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_SPGOTOFF0, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_SPGOTOFF0", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_LOGOTOFF1, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOGOTOFF1", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_SPGOTOFF1, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_SPGOTOFF1", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_LOGOTOFF2, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOGOTOFF2", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_LOGOTOFF3, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOGOTOFF3", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_LOPC, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOPC", /* name */ - false, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_860_HIGHADJ, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_HIGHADJ", /* name */ - false, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_HAGOT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_HAGOT", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_860_HAGOTOFF, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_HAGOTOFF", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_HAPC, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_HAPC", /* name */ - false, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_860_HIGH, /* type */ - 16, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_HIGH", /* name */ - false, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_860_HIGOT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_HIGOT", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - true), /* pcrel_offset */ - - HOWTO (R_860_HIGOTOFF, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_HIGOTOFF", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ -}; - -static unsigned char elf_code_to_howto_index[R_860_max + 1]; - -static reloc_howto_type * -lookup_howto (rtype) - unsigned int rtype; -{ - static int initialized = 0; - int i; - int howto_tbl_size = (int) (sizeof (elf32_i860_howto_table) - / sizeof (elf32_i860_howto_table[0])); - - if (! initialized) - { - initialized = 1; - memset (elf_code_to_howto_index, 0xff, - sizeof (elf_code_to_howto_index)); - for (i = 0; i < howto_tbl_size; i++) - elf_code_to_howto_index[elf32_i860_howto_table[i].type] = i; - } - - BFD_ASSERT (rtype <= R_860_max); - i = elf_code_to_howto_index[rtype]; - if (i >= howto_tbl_size) - return 0; - return elf32_i860_howto_table + i; -} - -/* Given a BFD reloc, return the matching HOWTO structure. */ -static reloc_howto_type * -elf32_i860_reloc_type_lookup (abfd, code) - bfd * abfd ATTRIBUTE_UNUSED; - bfd_reloc_code_real_type code; -{ - unsigned int rtype; - - switch (code) - { - case BFD_RELOC_NONE: - rtype = R_860_NONE; - break; - case BFD_RELOC_32: - rtype = R_860_32; - break; - case BFD_RELOC_860_COPY: - rtype = R_860_COPY; - break; - case BFD_RELOC_860_GLOB_DAT: - rtype = R_860_GLOB_DAT; - break; - case BFD_RELOC_860_JUMP_SLOT: - rtype = R_860_JUMP_SLOT; - break; - case BFD_RELOC_860_RELATIVE: - rtype = R_860_RELATIVE; - break; - case BFD_RELOC_860_PC26: - rtype = R_860_PC26; - break; - case BFD_RELOC_860_PLT26: - rtype = R_860_PLT26; - break; - case BFD_RELOC_860_PC16: - rtype = R_860_PC16; - break; - case BFD_RELOC_860_LOW0: - rtype = R_860_LOW0; - break; - case BFD_RELOC_860_SPLIT0: - rtype = R_860_SPLIT0; - break; - case BFD_RELOC_860_LOW1: - rtype = R_860_LOW1; - break; - case BFD_RELOC_860_SPLIT1: - rtype = R_860_SPLIT1; - break; - case BFD_RELOC_860_LOW2: - rtype = R_860_LOW2; - break; - case BFD_RELOC_860_SPLIT2: - rtype = R_860_SPLIT2; - break; - case BFD_RELOC_860_LOW3: - rtype = R_860_LOW3; - break; - case BFD_RELOC_860_LOGOT0: - rtype = R_860_LOGOT0; - break; - case BFD_RELOC_860_SPGOT0: - rtype = R_860_SPGOT0; - break; - case BFD_RELOC_860_LOGOT1: - rtype = R_860_LOGOT1; - break; - case BFD_RELOC_860_SPGOT1: - rtype = R_860_SPGOT1; - break; - case BFD_RELOC_860_LOGOTOFF0: - rtype = R_860_LOGOTOFF0; - break; - case BFD_RELOC_860_SPGOTOFF0: - rtype = R_860_SPGOTOFF0; - break; - case BFD_RELOC_860_LOGOTOFF1: - rtype = R_860_LOGOTOFF1; - break; - case BFD_RELOC_860_SPGOTOFF1: - rtype = R_860_SPGOTOFF1; - break; - case BFD_RELOC_860_LOGOTOFF2: - rtype = R_860_LOGOTOFF2; - break; - case BFD_RELOC_860_LOGOTOFF3: - rtype = R_860_LOGOTOFF3; - break; - case BFD_RELOC_860_LOPC: - rtype = R_860_LOPC; - break; - case BFD_RELOC_860_HIGHADJ: - rtype = R_860_HIGHADJ; - break; - case BFD_RELOC_860_HAGOT: - rtype = R_860_HAGOT; - break; - case BFD_RELOC_860_HAGOTOFF: - rtype = R_860_HAGOTOFF; - break; - case BFD_RELOC_860_HAPC: - rtype = R_860_HAPC; - break; - case BFD_RELOC_860_HIGH: - rtype = R_860_HIGH; - break; - case BFD_RELOC_860_HIGOT: - rtype = R_860_HIGOT; - break; - case BFD_RELOC_860_HIGOTOFF: - rtype = R_860_HIGOTOFF; - break; - default: - rtype = 0; - break; - } - return lookup_howto (rtype); -} - -/* Given a ELF reloc, return the matching HOWTO structure. */ -static void -elf32_i860_info_to_howto_rela (abfd, bfd_reloc, elf_reloc) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *bfd_reloc; - Elf64_Internal_Rela *elf_reloc; -{ - bfd_reloc->howto = lookup_howto (ELF32_R_TYPE (elf_reloc->r_info)); -} - -/* Specialized relocation handler for R_860_SPLITn. These relocations - involves a 16-bit field that is split into two contiguous parts. */ -static bfd_reloc_status_type -elf32_i860_relocate_splitn (input_bfd, rello, contents, value) - bfd *input_bfd; - Elf_Internal_Rela *rello; - bfd_byte *contents; - bfd_vma value; -{ - bfd_vma insn; - reloc_howto_type *howto; - howto = lookup_howto (ELF32_R_TYPE (rello->r_info)); - insn = bfd_get_32 (input_bfd, contents + rello->r_offset); - - /* Relocate. */ - value += rello->r_addend; - - /* Separate the fields and insert. */ - value = (((value & 0xf8) << 5) | (value & 0x7ff)) & howto->dst_mask; - insn = (insn & ~howto->dst_mask) | value; - - bfd_put_32 (input_bfd, insn, contents + rello->r_offset); - return bfd_reloc_ok; -} - -/* Specialized relocation handler for R_860_PC16. This relocation - involves a 16-bit, PC-relative field that is split into two contiguous - parts. */ -static bfd_reloc_status_type -elf32_i860_relocate_pc16 (input_bfd, input_section, rello, contents, value) - bfd *input_bfd; - asection *input_section; - Elf_Internal_Rela *rello; - bfd_byte *contents; - bfd_vma value; -{ - bfd_vma insn; - reloc_howto_type *howto; - howto = lookup_howto (ELF32_R_TYPE (rello->r_info)); - insn = bfd_get_32 (input_bfd, contents + rello->r_offset); - - /* Adjust for PC-relative relocation. */ - value -= (input_section->output_section->vma - + input_section->output_offset); - value -= rello->r_offset; - - /* Relocate. */ - value += rello->r_addend; - - /* Separate the fields and insert. */ - value = (((value & 0xf8) << 5) | (value & 0x7ff)) & howto->dst_mask; - insn = (insn & ~howto->dst_mask) | value; - - bfd_put_32 (input_bfd, insn, contents + rello->r_offset); - return bfd_reloc_ok; - -} - -/* Specialized relocation handler for R_860_PC26. This relocation - involves a 26-bit, PC-relative field which must be adjusted by 4. */ -static bfd_reloc_status_type -elf32_i860_relocate_pc26 (input_bfd, input_section, rello, contents, value) - bfd *input_bfd; - asection *input_section; - Elf_Internal_Rela *rello; - bfd_byte *contents; - bfd_vma value; -{ - bfd_vma insn; - reloc_howto_type *howto; - howto = lookup_howto (ELF32_R_TYPE (rello->r_info)); - insn = bfd_get_32 (input_bfd, contents + rello->r_offset); - - /* Adjust for PC-relative relocation. */ - value -= (input_section->output_section->vma - + input_section->output_offset); - value -= rello->r_offset; - - /* Relocate. */ - value += rello->r_addend; - - /* Adjust value by 4 and insert the field. */ - value = ((value - 4) >> howto->rightshift) & howto->dst_mask; - insn = (insn & ~howto->dst_mask) | value; - - bfd_put_32 (input_bfd, insn, contents + rello->r_offset); - return bfd_reloc_ok; - -} - -/* Specialized relocation handler for R_860_HIGHADJ. */ -static bfd_reloc_status_type -elf32_i860_relocate_highadj (input_bfd, rel, contents, value) - bfd *input_bfd; - Elf_Internal_Rela *rel; - bfd_byte *contents; - bfd_vma value; -{ - bfd_vma insn; - - insn = bfd_get_32 (input_bfd, contents + rel->r_offset); - - value += ((rel->r_addend & 0x8000) << 1); - value += rel->r_addend; - value = ((value >> 16) & 0xffff); - - insn = (insn & 0xffff0000) | value; - - bfd_put_32 (input_bfd, insn, contents + rel->r_offset); - return bfd_reloc_ok; -} - -/* Perform a single relocation. By default we use the standard BFD - routines. However, we handle some specially. */ -static bfd_reloc_status_type -i860_final_link_relocate (howto, input_bfd, input_section, contents, rel, relocation) - reloc_howto_type * howto; - bfd * input_bfd; - asection * input_section; - bfd_byte * contents; - Elf_Internal_Rela * rel; - bfd_vma relocation; -{ - return _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, rel->r_offset, relocation, - rel->r_addend); -} - -/* Relocate an i860 ELF section. - - This is boiler-plate code copied from fr30. - There is some attempt to make this function usable for many architectures, - both USE_REL and USE_RELA ['twould be nice if such a critter existed], - if only to serve as a learning tool. - - The RELOCATE_SECTION function is called by the new ELF backend linker - to handle the relocations for a section. - - The relocs are always passed as Rela structures; if the section - actually uses Rel structures, the r_addend field will always be - zero. - - This function is responsible for adjusting the section contents as - necessary, and (if using Rela relocs and generating a relocateable - output file) adjusting the reloc addend as necessary. - - This function does not have to worry about setting the reloc - address or the reloc symbol index. - - LOCAL_SYMS is a pointer to the swapped in local symbols. - - LOCAL_SECTIONS is an array giving the section in the input file - corresponding to the st_shndx field of each local symbol. - - The global hash table entry for the global symbols can be found - via elf_sym_hashes (input_bfd). - - When generating relocateable output, this function must handle - STB_LOCAL/STT_SECTION symbols specially. The output symbol is - going to be the section symbol corresponding to the output - section, which means that the addend must be adjusted - accordingly. */ -static boolean -elf32_i860_relocate_section (output_bfd, info, input_bfd, input_section, - contents, relocs, local_syms, local_sections) - bfd * output_bfd ATTRIBUTE_UNUSED; - struct bfd_link_info * info; - bfd * input_bfd; - asection * input_section; - bfd_byte * contents; - Elf_Internal_Rela * relocs; - Elf_Internal_Sym * local_syms; - asection ** local_sections; -{ - Elf_Internal_Shdr * symtab_hdr; - struct elf_link_hash_entry ** sym_hashes; - Elf_Internal_Rela * rel; - Elf_Internal_Rela * relend; - - symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (input_bfd); - relend = relocs + input_section->reloc_count; - - for (rel = relocs; rel < relend; rel ++) - { - reloc_howto_type * howto; - unsigned long r_symndx; - Elf_Internal_Sym * sym; - asection * sec; - struct elf_link_hash_entry * h; - bfd_vma relocation; - bfd_reloc_status_type r; - const char * name = NULL; - int r_type; - - r_type = ELF32_R_TYPE (rel->r_info); - -#if 0 - if ( r_type == R_860_GNU_VTINHERIT - || r_type == R_860_GNU_VTENTRY) - continue; -#endif - - r_symndx = ELF32_R_SYM (rel->r_info); - - if (info->relocateable) - { - /* This is a relocateable link. We don't have to change - anything, unless the reloc is against a section symbol, - in which case we have to adjust according to where the - section symbol winds up in the output section. */ - if (r_symndx < symtab_hdr->sh_info) - { - sym = local_syms + r_symndx; - - if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) - { - sec = local_sections [r_symndx]; - rel->r_addend += sec->output_offset + sym->st_value; - } - } - - continue; - } - - /* This is a final link. */ - howto = lookup_howto (ELF32_R_TYPE (rel->r_info)); - h = NULL; - sym = NULL; - sec = NULL; - - if (r_symndx < symtab_hdr->sh_info) - { - sym = local_syms + r_symndx; - sec = local_sections [r_symndx]; - relocation = (sec->output_section->vma - + sec->output_offset - + sym->st_value); - - name = bfd_elf_string_from_elf_section - (input_bfd, symtab_hdr->sh_link, sym->st_name); - name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name; - } - else - { - h = sym_hashes [r_symndx - symtab_hdr->sh_info]; - - while (h->root.type == bfd_link_hash_indirect - || h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; - - name = h->root.root.string; - - if (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - { - sec = h->root.u.def.section; - relocation = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - else if (h->root.type == bfd_link_hash_undefweak) - { - relocation = 0; - } - else - { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, - input_section, rel->r_offset, true))) - return false; - relocation = 0; - } - } - - switch (r_type) - { - default: - r = i860_final_link_relocate (howto, input_bfd, input_section, - contents, rel, relocation); - break; - - case R_860_HIGHADJ: - r = elf32_i860_relocate_highadj (input_bfd, rel, contents, - relocation); - break; - - case R_860_PC16: - r = elf32_i860_relocate_pc16 (input_bfd, input_section, rel, - contents, relocation); - break; - - case R_860_PC26: - r = elf32_i860_relocate_pc26 (input_bfd, input_section, rel, - contents, relocation); - break; - - case R_860_SPLIT0: - case R_860_SPLIT1: - case R_860_SPLIT2: - r = elf32_i860_relocate_splitn (input_bfd, rel, contents, - relocation); - break; - - /* We do not yet handle GOT/PLT/Dynamic relocations. */ - case R_860_COPY: - case R_860_GLOB_DAT: - case R_860_JUMP_SLOT: - case R_860_RELATIVE: - case R_860_PLT26: - case R_860_LOGOT0: - case R_860_SPGOT0: - case R_860_LOGOT1: - case R_860_SPGOT1: - case R_860_LOGOTOFF0: - case R_860_SPGOTOFF0: - case R_860_LOGOTOFF1: - case R_860_SPGOTOFF1: - case R_860_LOGOTOFF2: - case R_860_LOGOTOFF3: - case R_860_LOPC: - case R_860_HAGOT: - case R_860_HAGOTOFF: - case R_860_HAPC: - case R_860_HIGOT: - case R_860_HIGOTOFF: - r = bfd_reloc_notsupported; - break; - } - - if (r != bfd_reloc_ok) - { - const char * msg = (const char *) NULL; - - switch (r) - { - case bfd_reloc_overflow: - r = info->callbacks->reloc_overflow - (info, name, howto->name, (bfd_vma) 0, - input_bfd, input_section, rel->r_offset); - break; - - case bfd_reloc_undefined: - r = info->callbacks->undefined_symbol - (info, name, input_bfd, input_section, rel->r_offset, true); - break; - - case bfd_reloc_outofrange: - msg = _("internal error: out of range error"); - break; - - case bfd_reloc_notsupported: - msg = _("internal error: unsupported relocation error"); - break; - - case bfd_reloc_dangerous: - msg = _("internal error: dangerous relocation"); - break; - - default: - msg = _("internal error: unknown error"); - break; - } - - if (msg) - r = info->callbacks->warning - (info, msg, name, input_bfd, input_section, rel->r_offset); - - if (! r) - return false; - } - } - - return true; -} - -/* Return whether a symbol name implies a local label. SVR4/860 compilers - generate labels of the form ".ep.function_name" to denote the end of a - function prolog. These should be local. - ??? Do any other SVR4 compilers have this convention? If so, this should - be added to the generic routine. */ -static boolean -elf32_i860_is_local_label_name (abfd, name) - bfd *abfd; - const char *name; -{ - if (name[0] == '.' && name[1] == 'e' && name[2] == 'p' && name[3] == '.') - return true; - - return _bfd_elf_is_local_label_name (abfd, name); -} - -#define TARGET_BIG_SYM bfd_elf32_i860_vec -#define TARGET_BIG_NAME "elf32-i860" -#define TARGET_LITTLE_SYM bfd_elf32_i860_little_vec -#define TARGET_LITTLE_NAME "elf32-i860-little" -#define ELF_ARCH bfd_arch_i860 -#define ELF_MACHINE_CODE EM_860 -#define ELF_MAXPAGESIZE 4096 - -#define elf_info_to_howto_rel NULL -#define elf_info_to_howto elf32_i860_info_to_howto_rela -#define elf_backend_relocate_section elf32_i860_relocate_section -#define bfd_elf32_bfd_reloc_type_lookup elf32_i860_reloc_type_lookup -#define bfd_elf32_bfd_is_local_label_name elf32_i860_is_local_label_name - -#include "elf32-target.h" |